min(numeric(0)) = ? == SORRY: R already has +/- Inf

[Martin Maechler]

My last message stated something wrong:

In R 0.62, we already have

    > min(numeric(0))
    [1] Inf
    > max(numeric(0))
    [1] -Inf
    > max(integer(0))
    [1] -Inf
    > min(integer(0))
    [1] Inf

The only change I'd propose is to return 'integer' if all arguments are
'integer', i.e., e.g.,
	
	min(integer(0))  would return  .Machine$int.max

Martin
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